The two separate towns of Rajpur and Sonarpur in the South 24 Parganas district of the Indian State of West Bengal has been united to form the municipality of Rajpur Sonarpur. This small and emerging city comes under the Kolkata Metropolitan Development Authority or KMDA region. The area was earlier inhabited by the zamindars, who called the area "Rajar Puri," that translates to "Land of the Kings" in the regional language. The city is well connected to the nearby areas and lies in the vicinity of the metro city Kolkata. Rajpur Sonarpur is mostly a residential area and its residents mostly work in the service sector of the KMDA region. The Tripurasundari Temple in Boral area of Rajpur Sonarpur is a famous spot that attracts tourists as well as devotees. Many famous Bengali movies have been shot in and around this city. Rajpur Sonarpur city has a population of around 4 lakh and Bengali is the most commonly used language in the area.
In 1927 the Dhanlaxmi Bank Ltd. was incorporated at Thrissur, Kerala by a group of ambitious visionaries. The Dhanlaxmi Bank has earned the trust and goodwill of clients with its rich heritage over the period of 90 years. It is due to the firm belief of the bank in the need to seek innovation, deliver the best service and demonstrate responsibility that it has grown from strength to strength in every area. Either it is about the number of customers, the scale of the banks business, the breadth of product offerings, the banking experience offered by the bank or the trust that people has developed on it. The bank has more than 653 touch points across India at the service of its customers. The focus of the bank has always been on customizing its services as per the customers and personalizing relations with them. The Bank has adopted Centralised Banking Solution at all its branches to extend the banking services to its clientele anywhere/anytime through multiple delivery channels. A data center has been set up in Bangalore by the bank, to keep the system of network operational 24/7. The Bank has also operated a disaster recovery center at Thrissur for meeting various contingencies. On 10 August 2010, the bank has changed its name from Dhanalakshmi Bank to Dhanlaxmi Bank. In March 2010, the bank introduced Dhanlaxmi Bank Platinum and Gold Credit cards.